Fluid & Hydraulics

101) For sub-sonic flow, if the area of flow increases

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velocity decreases

102) For super-sonic flow, if the area of flow increases, then

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velocity increases

103) The flow in open channel is turbulent if the Reynold number is

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more than 2000

104) The flow in open channel is laminar if the Reynold number is

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less than 500

105) A surge tank is provided in a hydro- power scheme to

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reduce the pressures under transient conditions

106) In a supersonic flow, a diverging passage results in

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decrease in pressure and density

107) The standard step method of gradually varied flow computations involves the application of

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continuity and energy equations

108) Streamlines and equipontential lines

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are orthogonal wherever they meet

109) The locus of elevations that water will rise in a series of pitot tubes is called

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the energy grade line

110) Pascal-second is the unit of

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dynamic viscosity

Subject Notes

→ Hydraulics → Structural Design-RCC → Irrigation Engineering → Highway Engineering → Engineering Survey → Water supply & sanitary → Soil Mechanics → Mechanics and structure → Construction Management → Building Construction → Estimating and Costing → Engineering Drawing → Building Material → Airport Engineering

Objective Box

→ Airport Engineering → Building Construction → Construction Management → Construction Materials → Engineering Drawing → Engineering Survey → Estimating and Costing → Highway Engineering → Fluid & Hydraulics → Soil Mechanics → Structural Design - RCC → Water Supply and Sanitary → Irrigation Engineering → Mechanics and Structure → Civil MCQ Set 1 → Civil MCQ Set 2 → Civil MCQ Set 3 → Civil MCQ Set 4

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